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Diffstat (limited to 'src/exceptionbase.h')
| -rw-r--r-- | src/exceptionbase.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/exceptionbase.h b/src/exceptionbase.h new file mode 100644 index 0000000..fd78089 --- /dev/null +++ b/src/exceptionbase.h | |||
| @@ -0,0 +1,114 @@ | |||
| 1 | #ifndef EXCEPTION_BASE_H | ||
| 2 | #define EXCEPTION_BASE_H | ||
| 3 | |||
| 4 | #include <string> | ||
| 5 | #include <exception> | ||
| 6 | #include <stdarg.h> | ||
| 7 | |||
| 8 | namespace Bu | ||
| 9 | { | ||
| 10 | /** | ||
| 11 | * A generalized Exception base class. This is nice for making general and | ||
| 12 | * flexible child classes that can create new error code classes. | ||
| 13 | * | ||
| 14 | * In order to create your own exception class use these two lines. | ||
| 15 | * | ||
| 16 | * in your header: subExceptionDecl( NewClassName ); | ||
| 17 | * | ||
| 18 | * in your source: subExcpetienDef( NewClassName ); | ||
| 19 | */ | ||
| 20 | class ExceptionBase : public std::exception | ||
| 21 | { | ||
| 22 | public: | ||
| 23 | /** | ||
| 24 | * Construct an exception with an error code of zero, but with a | ||
| 25 | * description. The use of this is not reccomended most of the time, | ||
| 26 | * it's generally best to include an error code with the exception so | ||
| 27 | * your program can handle the exception in a better way. | ||
| 28 | * @param sFormat The format of the text. See printf for more info. | ||
| 29 | */ | ||
| 30 | ExceptionBase( const char *sFormat, ... ) throw(); | ||
| 31 | |||
| 32 | /** | ||
| 33 | * | ||
| 34 | * @param nCode | ||
| 35 | * @param sFormat | ||
| 36 | */ | ||
| 37 | ExceptionBase( int nCode, const char *sFormat, ... ) throw(); | ||
| 38 | |||
| 39 | /** | ||
| 40 | * | ||
| 41 | * @param nCode | ||
| 42 | * @return | ||
| 43 | */ | ||
| 44 | ExceptionBase( int nCode=0 ) throw(); | ||
| 45 | |||
| 46 | /** | ||
| 47 | * | ||
| 48 | * @return | ||
| 49 | */ | ||
| 50 | virtual ~ExceptionBase() throw(); | ||
| 51 | |||
| 52 | /** | ||
| 53 | * | ||
| 54 | * @return | ||
| 55 | */ | ||
| 56 | virtual const char *what() const throw(); | ||
| 57 | |||
| 58 | /** | ||
| 59 | * | ||
| 60 | * @return | ||
| 61 | */ | ||
| 62 | int getErrorCode(); | ||
| 63 | |||
| 64 | /** | ||
| 65 | * | ||
| 66 | * @param lpFormat | ||
| 67 | * @param vargs | ||
| 68 | */ | ||
| 69 | void setWhat( const char *lpFormat, va_list &vargs ); | ||
| 70 | |||
| 71 | /** | ||
| 72 | * | ||
| 73 | * @param lpText | ||
| 74 | */ | ||
| 75 | void setWhat( const char *lpText ); | ||
| 76 | |||
| 77 | private: | ||
| 78 | int nErrorCode; /**< The code for the error that occured. */ | ||
| 79 | char *sWhat; /**< The text string telling people what went wrong. */ | ||
| 80 | }; | ||
| 81 | } | ||
| 82 | |||
| 83 | #define subExceptionDecl( name ) \ | ||
| 84 | class name : public ExceptionBase \ | ||
| 85 | { \ | ||
| 86 | public: \ | ||
| 87 | name( const char *sFormat, ... ) throw (); \ | ||
| 88 | name( int nCode, const char *sFormat, ... ) throw(); \ | ||
| 89 | name( int nCode=0 ) throw (); \ | ||
| 90 | }; | ||
| 91 | |||
| 92 | #define subExceptionDef( name ) \ | ||
| 93 | name::name( const char *lpFormat, ... ) throw() : \ | ||
| 94 | ExceptionBase( 0 ) \ | ||
| 95 | { \ | ||
| 96 | va_list ap; \ | ||
| 97 | va_start( ap, lpFormat ); \ | ||
| 98 | setWhat( lpFormat, ap ); \ | ||
| 99 | va_end( ap ); \ | ||
| 100 | } \ | ||
| 101 | name::name( int nCode, const char *lpFormat, ... ) throw() : \ | ||
| 102 | ExceptionBase( nCode ) \ | ||
| 103 | { \ | ||
| 104 | va_list ap; \ | ||
| 105 | va_start( ap, lpFormat ); \ | ||
| 106 | setWhat( lpFormat, ap ); \ | ||
| 107 | va_end( ap ); \ | ||
| 108 | } \ | ||
| 109 | name::name( int nCode ) throw() : \ | ||
| 110 | ExceptionBase( nCode ) \ | ||
| 111 | { \ | ||
| 112 | } | ||
| 113 | |||
| 114 | #endif | ||